If you don't want to include Mouse Follower files in your project, you can use it from CDN.

We're going to use the create-react-app because it sets some useful tools and canonical defaults for React projects. This is just a command-line utility to scaffold out new React projects.

JavaScript runs on one thread, but Node.js uses multiple threads and system resources under the hood to stay highly concurrent. Simple way to think about it: Event Loop = manager libuv = execution ...